Home / 12,584.48-18,863.94-5,183.90

Finding the Fourth Proportional to 12,584.48, 18,863.94 and 5,183.90

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Solution

The fourth proportional to 12,584.48, 18,863.94 and 5,183.90 is: 7,770.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.48 : 18,863.94 = 5,183.90 : x
  2. Step 2: Convert to fraction form
    12,584.48/18,863.94 = 5,183.90/x
  3. Step 3: Cross multiply
    12,584.48x = 18,863.94 × 5,183.90
  4. Step 4: Simplify right side
    12,584.48x = 97,788,778.57
  5. Step 5: Solve for x
    x = 97,788,778.57/12,584.48
  6. Step 6: Final answer
    x = 7,770.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.